:root{--ink:#15261f;--muted:#708078;--paper:#f2f5ef;--white:#fff;--green:#136b4a;--lime:#c9ee63;--line:#dfe6dc;--danger:#b53b36;--shadow:0 18px 60px rgba(21,38,31,.1)}
*{box-sizing:border-box}body{margin:0;font-family:Inter,"Microsoft YaHei",system-ui,sans-serif;background:var(--paper);color:var(--ink)}button,input,select,textarea{font:inherit}.hidden{display:none!important}.muted{color:var(--muted)}.eyebrow{font-size:11px;font-weight:800;letter-spacing:.18em;color:var(--green);margin:0 0 10px}.login-shell{min-height:100vh;display:grid;place-items:center;padding:32px;background:radial-gradient(circle at 15% 15%,#daf5a4 0,transparent 27%),linear-gradient(135deg,#edf4e6,#f8faf5)}.login-card{width:min(480px,100%);background:rgba(255,255,255,.88);padding:52px;border:1px solid rgba(255,255,255,.7);box-shadow:var(--shadow);border-radius:28px}.brand-mark,.logo span{width:48px;height:48px;display:grid;place-items:center;background:var(--ink);color:var(--lime);border-radius:15px;font-weight:900}.login-card h1{font-size:42px;line-height:1.12;margin:20px 0 14px;letter-spacing:-.04em}.login-card form{display:grid;gap:18px;margin-top:32px}label{display:grid;gap:8px;font-size:13px;font-weight:700}input,select,textarea{width:100%;border:1px solid var(--line);background:#fbfcfa;padding:12px 14px;border-radius:11px;outline:none;color:var(--ink)}input:focus,select:focus,textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(19,107,74,.1)}button{border:0;cursor:pointer;border-radius:11px;padding:11px 17px;font-weight:750}.primary{background:var(--green);color:#fff}.primary:hover{background:#0d593d}.secondary{background:#fff;border:1px solid var(--line);color:var(--ink)}.full{width:100%;padding:14px}.hint{font-size:12px;color:var(--muted);text-align:center;margin:16px 0 0}.app-shell{min-height:100vh;display:grid;grid-template-columns:245px 1fr}.sidebar{position:sticky;top:0;height:100vh;background:var(--ink);color:#fff;padding:28px 20px;display:flex;flex-direction:column}.logo{display:flex;gap:12px;align-items:center;font-weight:850;font-size:18px}.logo span{background:var(--lime);color:var(--ink)}.logo small{display:block;font-size:10px;color:#91a59a;margin-top:4px;letter-spacing:.08em}.sidebar nav{display:grid;gap:7px;margin-top:48px}.nav,.logout{background:transparent;color:#9db0a7;text-align:left;padding:13px 16px}.nav.active,.nav:hover{background:#254137;color:#fff}.logout{margin-top:auto}.content{padding:34px 42px;min-width:0}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px}.topbar h2{font-size:30px;margin:0;letter-spacing:-.03em}.status{font-size:12px;background:#fff;border:1px solid var(--line);padding:9px 13px;border-radius:99px}.status i{display:inline-block;width:7px;height:7px;background:#2ab36f;border-radius:50%;margin-right:6px}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:18px}.metric{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}.metric span{font-size:12px;color:var(--muted)}.metric strong{font-size:29px;display:block;margin-top:14px;letter-spacing:-.03em}.panel{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 5px 18px rgba(21,38,31,.03)}.panel-head,.toolbar{display:flex;justify-content:space-between;align-items:center}.panel-head{padding:24px}.panel h3{margin:0 0 6px}.panel p{font-size:13px;margin:0}.toolbar{margin-bottom:16px;gap:10px}.toolbar input{max-width:320px;margin-right:auto}.trend-chart{height:280px;padding:20px 28px 32px;display:flex;align-items:flex-end;gap:13px;border-top:1px solid var(--line)}.bar-wrap{height:100%;flex:1;display:flex;flex-direction:column;justify-content:flex-end;text-align:center;gap:8px;color:var(--muted);font-size:11px}.bar{min-height:3px;background:linear-gradient(180deg,var(--lime),#81bd44);border-radius:8px 8px 2px 2px;position:relative}.bar b{position:absolute;top:-22px;left:0;right:0;color:var(--ink);font-size:11px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:760px}th,td{text-align:left;padding:15px 18px;border-bottom:1px solid var(--line);font-size:13px}th{font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);background:#fafbf9}.badge{display:inline-block;padding:5px 9px;border-radius:99px;background:#edf7e9;color:#347042;font-size:11px}.badge.off{background:#f2f2f2;color:#888}.actions{display:flex;gap:5px}.actions button{padding:6px 9px;background:transparent;color:var(--green)}.actions .danger{color:var(--danger)}.empty{padding:50px;text-align:center;color:var(--muted)}.form-panel{padding:28px;max-width:800px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:24px}.wide{grid-column:1/-1}.checkbox{display:flex;grid-auto-flow:column;grid-template-columns:auto 1fr;justify-content:start;align-items:center}.checkbox input{width:auto}.toast{position:fixed;z-index:100;right:24px;top:24px;background:var(--ink);color:#fff;padding:13px 18px;border-radius:10px;opacity:0;transform:translateY(-8px);pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:none}.toast.error{background:var(--danger)}dialog{border:0;padding:0;border-radius:20px;box-shadow:var(--shadow);width:min(660px,calc(100% - 30px))}dialog::backdrop{background:rgba(15,29,23,.55);backdrop-filter:blur(3px)}.dialog-card{padding:28px;margin:0}.dialog-head,.dialog-actions{display:flex;align-items:center;justify-content:space-between}.dialog-head h3{margin:0;font-size:23px}.icon{background:transparent;font-size:28px;color:var(--muted);padding:5px}.dialog-actions{justify-content:flex-end;gap:10px;margin-top:25px}.qr-card{text-align:center}.qr-card .dialog-head{text-align:left}.qr-card img{width:280px;height:280px;object-fit:contain;margin:22px auto;border:1px solid var(--line)}.warning{background:#fff8dd;color:#7b6422;text-align:left;padding:12px;border-radius:10px;font-size:12px}.toast a{color:var(--lime)}
@media(max-width:900px){.app-shell{grid-template-columns:76px 1fr}.sidebar{padding:22px 12px}.logo div,.nav{font-size:0}.nav:before{font-size:12px}.nav[data-view=dashboard]:before{content:"概览"}.nav[data-view=hotspots]:before{content:"点位"}.nav[data-view=statistics]:before{content:"统计"}.nav[data-view=config]:before{content:"配置"}.logo{justify-content:center}.content{padding:26px 20px}.metric-grid{grid-template-columns:1fr 1fr}}@media(max-width:600px){.login-card{padding:32px 24px}.login-card h1{font-size:34px}.metric-grid{grid-template-columns:1fr}.topbar .status{display:none}.form-grid{grid-template-columns:1fr}.wide{grid-column:auto}}